How oil filters work?

The outside of the filter is a metal can with a sealing gasket. Which allows
it to be tightly held against the engine’s mating surface. The base plate of the
can holds the gasket. It is perforated with holes around the area just inside
the gasket. A central hole is threaded to mate with the oil filter assembly on
the engine block. The filter material is inside the can which is made from
synthetic fiber. The engine’s oil pump moves the oil directly to the filter,
where it enters from the holes in the perimeter of the base plate. The dirty oil
is passed through the filter media and back through the central hole, where it
re-enters the engine.

How oil filters work?

The outside of the filter is a metal can with a sealing gasket. Which allows
it to be tightly held against the engine’s mating surface. The base plate of the
can holds the gasket. It is perforated with holes around the area just inside
the gasket. A central hole is threaded to mate with the oil filter assembly on
the engine block. The filter material is inside the can which is made from
synthetic fiber. The engine’s oil pump moves the oil directly to the filter,
where it enters from the holes in the perimeter of the base plate. The dirty oil
is passed through the filter media and back through the central hole, where it
re-enters the engine.

How oil filters work?

The outside of the filter is a metal can with a sealing gasket. Which allows
it to be tightly held against the engine’s mating surface. The base plate of the
can holds the gasket. It is perforated with holes around the area just inside
the gasket. A central hole is threaded to mate with the oil filter assembly on
the engine block. The filter material is inside the can which is made from
synthetic fiber. The engine’s oil pump moves the oil directly to the filter,
where it enters from the holes in the perimeter of the base plate. The dirty oil
is passed through the filter media and back through the central hole, where it
re-enters the engine.